名校
1 . 已知曲线
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6fd2f864960ee053def6ca9a14652be.png)
A.曲线![]() ![]() |
B.曲线![]() ![]() |
C.当曲线![]() ![]() |
D.当曲线![]() ![]() |
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2 . 画法几何的创始人——法国数学家加斯帕尔·蒙日发现:与椭圆相切的两条垂直切线的交点的轨迹是以椭圆中心为圆心的圆,我们通常把这个圆称为该椭圆的蒙日圆.已知椭圆
,
,
分别为椭圆的左、右焦点,直线
的方程为
,
为椭圆
的蒙日圆上一动点,
,
分别与椭圆相切于A,
两点,
为坐标原点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0296bd9900adcc311f59ad44e940b86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233223a3ac88d9e312f6fcf732790fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.椭圆![]() ![]() |
B.记点A到直线![]() ![]() ![]() |
C.一矩形四条边与椭圆![]() ![]() |
D.![]() ![]() |
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2卷引用:广东省广州市华南师范大学附属中学2023-2024学年高二上学期期中数学试题
3 . 已知点
是椭圆
上的一点,
和
分别为左右焦点,焦距为6,且过
.
(1)求椭圆的标准方程;
(2)若动直线
过
与椭圆交于
两点,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7a98a3b8efc4c726892c2a664764e9.png)
(1)求椭圆的标准方程;
(2)若动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
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解题方法
4 . 设椭圆
的左右焦点为
,
,P是C上的动点,则下列结论正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee9ce51f55008258322bbe19810f62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.P到![]() ![]() | B.![]() |
C.![]() | D.P到![]() |
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5 . 若椭圆
的一个焦点为
,则m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85f93ce5a6e28a70fb19ef9f42e2a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
A.7 | B.5 | C.![]() | D.![]() |
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解题方法
6 . 如图,点
是棱长为2的正方体
的表面上一个动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/f61b3b20-cecb-47b1-a1b3-cf1537719f24.png?resizew=156)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当直线AP与平面ABCD所成的角为![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
7 . 已知椭圆
:
的两焦点
,
,且椭圆
过
.
(1)求椭圆
的标准方程;
(2)过点
作不与坐标轴垂直的直线
交椭圆
于
,
两点,线段
的垂直平分线与
轴负半轴交于点
,若点
的纵坐标的最大值为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f640a856e8f437a88ebd6c8c8f33dda.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e165ecb6f59aff040ac62edd49cc5551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2023-12-02更新
|
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广东省东莞市七校2023-2024学年高二上学期期中联考数学试题新疆生产建设兵团第三师图木舒克市第一中学2023-2024学年高二上学期第三次月考数学试题(已下线)专题03 圆锥曲线方程(2)(已下线)微考点6-2 圆锥曲线中的弦长面积类问题
名校
解题方法
8 . 已知双曲线
的渐近线方程为
,且点
在该双曲线上.
(1)求双曲线
方程;
(2)若点
,
分别是双曲线
的左、右焦点,且双曲线
上一点
满足
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3051f43ac48c0a730a791b8a93ad37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c70fe4523e4d2484c9fc80e9e5fbd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
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解题方法
9 . 已知实数
,
满足
,则代数式
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9fbdbc58b8268344cab615b33986c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285bb8dac8bdbbda922db848827578bf.png)
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10 . 若方程
表示的曲线为焦点在
轴上双曲线,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bce23f61c712389471a433ce6bdf24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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